YouTube wants to be more transparent with creators, and an in-depth guide to advertising guidelines on videos is another example of the company trying to figure out that relationship.

We’re seeing this transparent status bar rolled out on several devices today with version 19.37.35 of YouTube for Android (14 + 15), but it’s not yet fully available.

The format will be semi-transparent ads that appear as strips across the bottom 20 percent of a video. ... YouTube said the chosen format, announced last night, yielded good click-through results.